Improvement in buck-board springs



T. H. BROWN.

Carriage Spring. N .10Z,762. H Patented May 10 1870.

N. PETERS, PHOTQ-LITHDGRAPHER, WASHINGTDN. D O.

waited $613M THOMAS H. BROWN, OF GHIOAGQILLINOIS.

Letters. Patent No. 102,76

2, dated May 10, 1870.

IMPROVEMENT IN BUCK-BOARD SPRINGS.

The Schedule referred to in these Letters Patent and making part of the same.

To all whom it may concern:

Be it known that I,.TH0MAs H. Bnows, of Ohicago, in the county of Cook and State of Illinois, have invented an Improvement in Carriages, and I do hereby declare that the following is a full and exact description thereof, which will enable those skilled in the art to make and use the same,.reference being had to the accompanying drawings "and letters marked thereon making a part of this specification, in which Figure 1 is a perspective representation of the body of my carriage.

Figure 2, a longitudinal central sectional elevation of the same. I

The nature of the present invention consists in the novel manner in which a box is combined with a buckboard spring, the ends of said box shutting past the ends ofthe buck-board, so that, when the buck-board springs down, the box may have a fi'eeaud easy movement, as hereinafter described.

1 represents a buck-board spring, composed of slats, which are held in place by cross-bearers G G and 1) D, being riveted or bolted fast to them.

The end cross-bearers G are properly elevated above the axle-trees J J, and supported by bearers H, which are made of steel and bent upward at their outer ends, so that the middle part of theforward bearer may have a suitable seat on the bearer I, and the middle part of the hind bearer on the hind axle J, and

so that the upper ends of these bearers will have flat.

seats on the under sides of the cross-bearers G, to

which they are fastened with bolts or rivets, as most The sides E are strengthened by ribs B, figs. 1 2, to which are fastened straps O 0, provided with threads (1 d on their lower ends, so that-nuts b I) turned thereon will draw the cross-bearers D D closely against the lower edges of the aforesaid sides E, and thus hold the middle part of the box and bnckboard firmly together.

It will be seen from this description that, if the box is made a little-longer than the buck-hoard,- the latter inay readily spring down in the center, while the ends of the box pass down by the ends of the buck-board.

In order to prevent the hind axle-tree from twisting under its bearer G, braces K are fastened to the axle-tree near its arms, and also fastened to the under side of. the buck-hoard, as shown in both figures, and, to hold the forward axle-tree in place, a brace,- L, is fastened to the middle slat of the buck-board, and pivoted to the coupling-pin on which said axle-tree turns.

By means of this construction and arrangement, a carriage is very much simplified, and the cost of manufaoture considerably reduced, while, at the same time,

all ofthe advantages of a buck-board aud box are retained.

In the foregoing description I have set forth the en as specified.

THOMAS H. BROWN.

\Vitnesses G. L. GHAPIN, E. E. GIBso1v. 

